/Engine/Source/Runtime/SlateCore/Public/Input/Events.h
FPointerEvent ( uint32 InUserIndex, uint32 InPointerIndex, const [UE::Slate::FDeprecateVector2DParameter](API\Runtime\SlateCore\Types\FDeprecateVector2DParameter) & InScreenSpacePosition, const [UE::Slate::FDeprecateVector2DParameter](API\Runtime\SlateCore\Types\FDeprecateVector2DParameter) & InLastScreenSpacePosition, float InForce, bool bPressLeftMouseButton, bool bInIsForceChanged, bool bInIsFirstMove, const [FModifierKeysState](API\Runtime\ApplicationCore\GenericPlatform\FModifierKeysState) & InModifierKeys, uint32 InTouchpadIndex )